//
//  CaculatorChain.h
//  链式编程01
//
//  Created by 许卫星 on 17/1/9.
//  Copyright © 2017年 许卫星. All rights reserved.
//

#import <Foundation/Foundation.h>

@interface CaculatorChain : NSObject
@property (nonatomic, assign) NSInteger result;

- (CaculatorChain *(^)(NSInteger index))add;
@end
